1. Leussing, D.I. and Hanna, E.M., J. Am. Chem. Soc., 1966, vol. 88, p. 693.
2. Metzler, D.E., Ikawa, M., and Snell, E.E., J. Am. Chem. Soc., 1954, vol. 76, p. 648.
3. Sharma, P.K. and Dubey, S.N., Indian J. Chem., Sect. A: Inorg., Bio-inorg., Phys., Theor. Anal. Chem., 1994, vol. 33, p. 1113.
4. Shaker, A.M., Awad, A.M., and Nassr, L.A.E., Synth. React. Inorg. Met. Org. Chem., 2003, vol. 33, p. 103.
5. Sari, N., Arslan, S., Logoglu, E., and Sakiyan, I., G. U. J. Sci., 2003, vol. 16, p. 283.